منابع مشابه
About FFT Spectrum Analyzers
For one thing, some measurements which are very hard in the time domain are very easy in the frequency domain. Consider the measurement of harmonic distortion. It's hard to quantify the distortion of a sine wave by looking at the signal on an oscilloscope. When the same signal is displayed on a spectrum analyzer, the harmonic frequencies and amplitudes are displayed with amazing clarity. Anothe...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1986
ISSN: 0001-4966
DOI: 10.1121/1.2023793